2 files changed, 9 insertions, 0 deletions
diff --git a/OpenAL32/Include/alMain.h b/OpenAL32/Include/alMain.h
index dc9cff60..86eef440 100644
--- a/OpenAL32/Include/alMain.h
+++ b/OpenAL32/Include/alMain.h
@@ -51,6 +51,10 @@
 #define AL_MOD_LFO_TO_PITCH_SOFT                 0x0005
 #define AL_VIBRATO_LFO_TO_PITCH_SOFT             0x0006
 #define AL_MOD_ENV_TO_PITCH_SOFT                 0x0007
+#define AL_FILTER_CUTOFF_SOFT                    0x0008
+#define AL_FILTER_RESONANCE_SOFT                 0x0009
+#define AL_MOD_LFO_TO_FILTER_CUTOFF_SOFT         0x000A
+#define AL_MOD_ENV_TO_FILTER_CUTOFF_SOFT         0x000B
 #define AL_MOD_ENV_DELAYTIME_SOFT                0x0019
 #define AL_MOD_ENV_ATTACKTIME_SOFT               0x001A
 #define AL_MOD_ENV_HOLDTIME_SOFT                 0x001B
diff --git a/OpenAL32/Include/alMidi.h b/OpenAL32/Include/alMidi.h
index acf6bf1a..a6e5c0a3 100644
--- a/OpenAL32/Include/alMidi.h
+++ b/OpenAL32/Include/alMidi.h
@@ -27,6 +27,11 @@ typedef struct ALfontsound {
     ALint VibratoLfoToPitch;
     ALint ModEnvToPitch;
 
+    ALint FilterCutoff;
+    ALint FilterQ;
+    ALint ModLfoToFilterCutoff;
+    ALint ModEnvToFilterCutoff;
+
     struct {
         ALint DelayTime;
         ALint AttackTime;